reorder some source files

2026-03-11 09:54:17 +02:00
parent 30fe237657
commit f4c9948c61
27 changed files with 283 additions and 2403 deletions
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2026 Oleg Borodin <onborodin@gmail.com>
+ *
+ * This work is published and licensed under a Creative Commons
+ * Attribution-NonCommercial-NoDerivatives 4.0 International License.
+ *
+ * Distribution of this work is permitted, but commercial use and
+ * modifications are strictly prohibited.
+ */
+package gcrcli
+
+type Client struct {
+	skipTLSVerify bool
+}
+
+func NewClient(skipTLSVerify bool) *Client {
+	return &Client{
+		skipTLSVerify: skipTLSVerify,
+	}
+}
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2026 Oleg Borodin <onborodin@gmail.com>
+ *
+ * This work is published and licensed under a Creative Commons
+ * Attribution-NonCommercial-NoDerivatives 4.0 International License.
+ *
+ * Distribution of this work is permitted, but commercial use and
+ * modifications are strictly prohibited.
+ */
+package gcrcli
+
+import (
+	"crypto/tls"
+	"net/http"
+	"net/url"
+	"strings"
+)
+
+type RoundTripper struct {
+	skipTLSVerify bool
+}
+
+func NewRoundTripper(skipTLSVerify bool) *RoundTripper {
+	return &RoundTripper{
+		skipTLSVerify: skipTLSVerify,
+	}
+}
+
+func (t *RoundTripper) RoundTrip(r *http.Request) (*http.Response, error) {
+	tlsConfig := &tls.Config{
+		InsecureSkipVerify: t.skipTLSVerify,
+	}
+	httpTransport := &http.Transport{
+		TLSClientConfig: tlsConfig,
+	}
+	return httpTransport.RoundTrip(r)
+}
+
+func repackReference(ref string) (string, string, string, error) {
+	var err error
+	var username string
+	var password string
+	if !strings.Contains(ref, `://`) {
+		ref = "https://" + ref
+	}
+	uri, err := url.Parse(ref)
+	if err != nil {
+		return ref, username, password, err
+	}
+	username = uri.User.Username()
+	password, _ = uri.User.Password()
+	uri.User = nil
+
+	uri.Path, _ = url.JoinPath("/", uri.Path)
+	if err != nil {
+		return ref, username, password, err
+	}
+	ref = uri.Host + uri.Path
+	return ref, username, password, err
+}
+
+func repackSource(ref string) (string, string, string, error) {
+	var err error
+	var username string
+	var password string
+	if !strings.Contains(ref, `://`) {
+		ref = "https://" + ref
+	}
+	uri, err := url.Parse(ref)
+	if err != nil {
+		return ref, username, password, err
+	}
+	username = uri.User.Username()
+	password, _ = uri.User.Password()
+	uri.User = nil
+
+	ref = uri.Host
+	return ref, username, password, err
+}
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2026 Oleg Borodin <onborodin@gmail.com>
+ *
+ * This work is published and licensed under a Creative Commons
+ * Attribution-NonCommercial-NoDerivatives 4.0 International License.
+ *
+ * Distribution of this work is permitted, but commercial use and
+ * modifications are strictly prohibited.
+ */
+package gcrcli
+
+import (
+	"context"
+
+	"github.com/google/go-containerregistry/pkg/authn"
+	"github.com/google/go-containerregistry/pkg/crane"
+	"github.com/google/go-containerregistry/pkg/name"
+	"github.com/google/go-containerregistry/pkg/v1/remote/transport"
+)
+
+func (cli *Client) DeleteImage(ctx context.Context, imagepath string) error {
+	var err error
+
+	imagepath, username, password, err := repackReference(imagepath)
+	if err != nil {
+		return err
+	}
+	options := make([]crane.Option, 0)
+	options = append(options, crane.WithContext(ctx))
+
+	ref, err := name.ParseReference(imagepath)
+	if err != nil {
+		return err
+	}
+	repo := ref.Context()
+	if err != nil {
+		return err
+	}
+
+	if username != "" && password != "" {
+		defaultTransport := NewRoundTripper(cli.skipTLSVerify)
+		scopes := []string{repo.Scope(transport.PullScope)}
+
+		regName := repo.RegistryStr()
+		reg, err := name.NewRegistry(regName)
+		if err != nil {
+			return err
+		}
+		basicAuth := &authn.Basic{
+			Username: username,
+			Password: password,
+		}
+		authTransport, err := transport.NewWithContext(ctx, reg, basicAuth, defaultTransport, scopes)
+		if err != nil {
+			return err
+		}
+		options = append(options, crane.WithTransport(authTransport))
+	} else {
+		transport := NewRoundTripper(cli.skipTLSVerify)
+		options = append(options, crane.WithTransport(transport))
+	}
+
+	err = crane.Delete(imagepath, options...)
+	if err != nil {
+		return err
+	}
+	return err
+}
@@ -0,0 +1,236 @@
+/*
+ * Copyright 2026 Oleg Borodin <onborodin@gmail.com>
+ *
+ * This work is published and licensed under a Creative Commons
+ * Attribution-NonCommercial-NoDerivatives 4.0 International License.
+ *
+ * Distribution of this work is permitted, but commercial use and
+ * modifications are strictly prohibited.
+ */
+package gcrcli
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/google/go-containerregistry/pkg/authn"
+	"github.com/google/go-containerregistry/pkg/crane"
+	"github.com/google/go-containerregistry/pkg/name"
+	"github.com/google/go-containerregistry/pkg/v1/remote"
+	"github.com/google/go-containerregistry/pkg/v1/remote/transport"
+
+	ocispec "github.com/opencontainers/image-spec/specs-go/v1"
+)
+
+const (
+	indexMediaType    = "application/vnd.oci.image.index.v1+json"
+	manifestMediaType = "application/vnd.oci.image.manifest.v1+json"
+)
+
+func (cli *Client) ImageManifest(ctx context.Context, imagepath string) (any, error) {
+	var err error
+	var res any
+
+	imagepath, username, password, err := repackReference(imagepath)
+	if err != nil {
+		return res, err
+	}
+	options := make([]crane.Option, 0)
+	options = append(options, crane.WithContext(ctx))
+
+	ref, err := name.ParseReference(imagepath)
+	if err != nil {
+		return res, err
+	}
+	repo := ref.Context()
+	if err != nil {
+		return res, err
+	}
+
+	// Manifest
+	if username != "" && password != "" {
+		defaultTransport := NewRoundTripper(cli.skipTLSVerify)
+		scopes := []string{repo.Scope(transport.PullScope)}
+
+		regName := repo.RegistryStr()
+		reg, err := name.NewRegistry(regName)
+		if err != nil {
+			return res, err
+		}
+		basicAuth := &authn.Basic{
+			Username: username,
+			Password: password,
+		}
+		authTransport, err := transport.NewWithContext(ctx, reg, basicAuth, defaultTransport, scopes)
+		if err != nil {
+			return res, err
+		}
+		options = append(options, crane.WithTransport(authTransport))
+	} else {
+		transport := NewRoundTripper(cli.skipTLSVerify)
+		options = append(options, crane.WithTransport(transport))
+	}
+
+	manifestBytes, err := crane.Manifest(imagepath, options...)
+	if err != nil {
+		return res, err
+	}
+
+	var descr ocispec.Descriptor
+	err = json.Unmarshal(manifestBytes, &descr)
+	if err != nil {
+		return res, err
+	}
+	switch descr.MediaType {
+	case indexMediaType:
+		var index ocispec.Index
+		err = json.Unmarshal(manifestBytes, &index)
+		if err != nil {
+			return res, err
+		}
+		res = index
+	//case manifestMediaType:
+	default:
+		var manifest ocispec.Manifest
+		err = json.Unmarshal(manifestBytes, &manifest)
+		if err != nil {
+			return res, err
+		}
+		res = &manifest
+		fmt.Printf("Unknown or empty media type: %s", descr.MediaType)
+	}
+	return res, err
+}
+
+func (cli *Client) ImageTags(ctx context.Context, imagepath string) ([]string, error) {
+	var err error
+	res := make([]string, 0)
+
+	imagepath, username, password, err := repackReference(imagepath)
+	if err != nil {
+		return res, err
+	}
+	options := make([]crane.Option, 0)
+	options = append(options, crane.WithContext(ctx))
+
+	ref, err := name.ParseReference(imagepath)
+	if err != nil {
+		return res, err
+	}
+	repo := ref.Context()
+	if err != nil {
+		return res, err
+	}
+
+	// Tags
+	remoteOptions := make([]remote.Option, 0)
+	remoteOptions = append(remoteOptions, remote.WithContext(ctx))
+
+	if username != "" && password != "" {
+		defaultTransport := NewRoundTripper(cli.skipTLSVerify)
+		scopes := []string{repo.Scope(transport.PullScope)}
+
+		regName := repo.RegistryStr()
+		reg, err := name.NewRegistry(regName)
+		if err != nil {
+			return res, err
+		}
+		basicAuth := &authn.Basic{
+			Username: username,
+			Password: password,
+		}
+		authTransport, err := transport.NewWithContext(ctx, reg, basicAuth, defaultTransport, scopes)
+		if err != nil {
+			return res, err
+		}
+		remoteOptions = append(remoteOptions, remote.WithTransport(authTransport))
+	} else {
+		transport := NewRoundTripper(cli.skipTLSVerify)
+		options = append(options, crane.WithTransport(transport))
+	}
+
+	tags, err := remote.List(repo, remoteOptions...)
+	if err != nil {
+		return res, err
+	}
+	res = tags
+	return res, err
+}
+
+func (cli *Client) ImageConfig(ctx context.Context, imagepath string) (*ocispec.Image, error) {
+	var err error
+	res := &ocispec.Image{}
+
+	imagepath, username, password, err := repackReference(imagepath)
+	if err != nil {
+		return res, err
+	}
+	options := make([]crane.Option, 0)
+	options = append(options, crane.WithContext(ctx))
+
+	ref, err := name.ParseReference(imagepath)
+	if err != nil {
+		return res, err
+	}
+	repo := ref.Context()
+	if err != nil {
+		return res, err
+	}
+
+	// Config
+	if username != "" && password != "" {
+		defaultTransport := NewRoundTripper(cli.skipTLSVerify)
+		scopes := []string{repo.Scope(transport.PullScope)}
+
+		regName := repo.RegistryStr()
+		reg, err := name.NewRegistry(regName)
+		if err != nil {
+			return res, err
+		}
+		basicAuth := &authn.Basic{
+			Username: username,
+			Password: password,
+		}
+		authTransport, err := transport.NewWithContext(ctx, reg, basicAuth, defaultTransport, scopes)
+		if err != nil {
+			return res, err
+		}
+		options = append(options, crane.WithTransport(authTransport))
+	} else {
+		transport := NewRoundTripper(cli.skipTLSVerify)
+		options = append(options, crane.WithTransport(transport))
+	}
+	configBytes, err := crane.Config(imagepath, options...)
+	if err != nil {
+		return res, err
+	}
+	var config ocispec.Image
+	err = json.Unmarshal(configBytes, &config)
+	if err != nil {
+		return res, err
+	}
+	res = &config
+	return res, err
+}
+
+func (cli *Client) CatalogImages(ctx context.Context, source string) ([]string, error) {
+	var err error
+	res := make([]string, 0)
+
+	source, _, _, err = repackSource(source)
+	if err != nil {
+		return res, err
+	}
+	options := make([]crane.Option, 0)
+	options = append(options, crane.WithContext(ctx))
+
+	// Config
+	transport := NewRoundTripper(cli.skipTLSVerify)
+	options = append(options, crane.WithTransport(transport))
+	res, err = crane.Catalog(source, options...)
+	if err != nil {
+		return res, err
+	}
+	return res, err
+}
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2026 Oleg Borodin <onborodin@gmail.com>
+ *
+ * This work is published and licensed under a Creative Commons
+ * Attribution-NonCommercial-NoDerivatives 4.0 International License.
+ *
+ * Distribution of this work is permitted, but commercial use and
+ * modifications are strictly prohibited.
+ */
+package gcrcli
+
+import (
+	"context"
+	"os"
+
+	"mstore/pkg/auxtool"
+	"mstore/pkg/auxutar"
+
+	"github.com/google/go-containerregistry/pkg/authn"
+	"github.com/google/go-containerregistry/pkg/crane"
+	"github.com/google/go-containerregistry/pkg/name"
+	"github.com/google/go-containerregistry/pkg/v1/remote/transport"
+)
+
+func (cli *Client) PullImage(ctx context.Context, imagepath, filepath string) error {
+	var err error
+
+	imagepath, username, password, err := repackReference(imagepath)
+	if err != nil {
+		return err
+	}
+
+	options := make([]crane.Option, 0)
+	options = append(options, crane.WithContext(ctx))
+
+	if username != "" && password != "" {
+		ref, err := name.ParseReference(imagepath)
+		if err != nil {
+			return err
+		}
+		repo := ref.Context()
+		if err != nil {
+			return err
+		}
+		defaultTransport := NewRoundTripper(cli.skipTLSVerify)
+
+		scopes := []string{repo.Scope(transport.PullScope)}
+
+		regName := repo.RegistryStr()
+		reg, err := name.NewRegistry(regName)
+		if err != nil {
+			return err
+		}
+		basicAuth := &authn.Basic{
+			Username: username,
+			Password: password,
+		}
+		authTransport, err := transport.NewWithContext(ctx, reg, basicAuth, defaultTransport, scopes)
+		if err != nil {
+			return err
+		}
+		options = append(options, crane.WithTransport(authTransport))
+	} else {
+		transport := NewRoundTripper(cli.skipTLSVerify)
+		options = append(options, crane.WithTransport(transport))
+	}
+
+	image, err := crane.Pull(imagepath, options...)
+	if err != nil {
+		return err
+	}
+	dstdir := auxtool.MakeTmpFilename(filepath)
+	err = os.MkdirAll(dstdir, 0750)
+	if err != nil {
+		return err
+	}
+	err = crane.SaveOCI(image, dstdir)
+	if err != nil {
+		return err
+	}
+	err = auxutar.Archive(dstdir, filepath)
+	if err != nil {
+		return err
+	}
+	err = os.RemoveAll(dstdir)
+	if err != nil {
+		return err
+	}
+	return err
+}
@@ -0,0 +1,121 @@
+/*
+ * Copyright 2026 Oleg Borodin <onborodin@gmail.com>
+ *
+ * This work is published and licensed under a Creative Commons
+ * Attribution-NonCommercial-NoDerivatives 4.0 International License.
+ *
+ * Distribution of this work is permitted, but commercial use and
+ * modifications are strictly prohibited.
+ */
+package gcrcli
+
+import (
+	"context"
+	"fmt"
+	"os"
+
+	"mstore/pkg/auxtool"
+	"mstore/pkg/auxutar"
+
+	"github.com/google/go-containerregistry/pkg/authn"
+	"github.com/google/go-containerregistry/pkg/crane"
+	"github.com/google/go-containerregistry/pkg/name"
+	pkg "github.com/google/go-containerregistry/pkg/v1"
+	"github.com/google/go-containerregistry/pkg/v1/layout"
+	"github.com/google/go-containerregistry/pkg/v1/remote/transport"
+)
+
+func (cli *Client) PushImage(ctx context.Context, filepath, imagepath string) error {
+	var err error
+
+	imagepath, username, password, err := repackReference(imagepath)
+	if err != nil {
+		return err
+	}
+	options := make([]crane.Option, 0)
+	options = append(options, crane.WithContext(ctx))
+	if username != "" && password != "" {
+		ref, err := name.ParseReference(imagepath)
+		if err != nil {
+			return err
+		}
+		repo := ref.Context()
+		if err != nil {
+			return err
+		}
+		defaultTransport := NewRoundTripper(cli.skipTLSVerify)
+
+		scopes := []string{
+			repo.Scope(transport.PushScope),
+			repo.Scope(transport.PullScope),
+		}
+
+		regName := repo.RegistryStr()
+		reg, err := name.NewRegistry(regName)
+		if err != nil {
+			return err
+		}
+		basicAuth := &authn.Basic{
+			Username: username,
+			Password: password,
+		}
+
+		authTransport, err := transport.NewWithContext(ctx, reg, basicAuth, defaultTransport, scopes)
+		if err != nil {
+			return err
+		}
+		options = append(options, crane.WithTransport(authTransport))
+	} else {
+		defaultTransport := NewRoundTripper(cli.skipTLSVerify)
+		options = append(options, crane.WithTransport(defaultTransport))
+	}
+
+	dstdir := auxtool.MakeTmpFilename(filepath)
+	err = auxutar.Unarchive(filepath, dstdir)
+	if err != nil {
+		os.RemoveAll(dstdir)
+		return err
+	}
+	image, err := imageLoader(dstdir)
+	if err != nil {
+		return err
+	}
+	err = crane.Push(image, imagepath, options...)
+	if err != nil {
+		return err
+	}
+	err = os.RemoveAll(dstdir)
+	if err != nil {
+		return err
+	}
+	return err
+}
+
+func imageLoader(dirPath string) (pkg.Image, error) {
+	var err error
+	var res pkg.Image
+	layoutPath, err := layout.FromPath(dirPath)
+	if err != nil {
+		return res, err
+	}
+	imageIndex, err := layoutPath.ImageIndex()
+	if err != nil {
+		return res, err
+	}
+	indexManifest, err := imageIndex.IndexManifest()
+	if err != nil {
+		return res, err
+	}
+	if indexManifest == nil {
+		err := fmt.Errorf("Empty indexManifest referency")
+		return res, err
+	}
+
+	manifest := indexManifest.Manifests[0]
+	image, err := layoutPath.Image(manifest.Digest)
+	if err != nil {
+		return res, err
+	}
+	res = image
+	return res, err
+}